/* 
  FL285+ - Premium Sky Suite Design System
  Theme: Light / Frosted Glass / Airy Blue
  Aesthetic: Minimalist, Professional, Clean
*/

:root {
  --bg-color: #F0F4F8;
  --surface-color: #FFFFFF;
  --accent-color: #0066FF;
  --accent-soft: rgba(0, 102, 255, 0.1);
  --text-primary: #1A202C;
  --text-secondary: #718096;
  --text-muted: #A0AEC0;
  --border-color: rgba(0, 0, 0, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-smooth: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

/* Cinematic Splash Screen (Light Version) */
.splash-screen {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 5000;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  background: #fff;
}
.splash-bg { position: absolute; top:0; left:0; width:100%; height:100%; z-index: 1; }
.splash-bg::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(255,255,255,0.4), rgba(255,255,255,0.8)); z-index: 2; }
.splash-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.05) saturate(1.2); }

.splash-content {
  position: relative; z-index: 10; text-align: center; width: 100%; max-width: 600px; padding: 2rem;
  display: flex; flex-direction: column; align-items: center;
}

.splash-logo { margin-bottom: 3rem; }
.logo-icon-wrap { 
  width: 80px; height: 80px; background: var(--accent-color); color: #fff; 
  border-radius: 24px; display: flex; align-items: center; justify-content: center; 
  font-size: 2.5rem; margin-bottom: 1.5rem; margin-left: auto; margin-right: auto;
  box-shadow: 0 20px 40px rgba(0, 102, 255, 0.3);
}
.splash-logo h1 { font-size: 4rem; font-weight: 800; letter-spacing: -2px; color: var(--text-primary); margin: 0; }
.splash-logo h1 span { color: var(--accent-color); }
.splash-logo p { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); letter-spacing: 4px; margin-top: 0.5rem; }

.splash-info-card {
  display: flex; justify-content: space-around; width: 100%; padding: 2rem; border-radius: 24px;
  background: var(--glass-bg); backdrop-filter: blur(20px); border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-medium); margin-bottom: 3rem;
}
.s-info { display: flex; flex-direction: column; gap: 0.25rem; }
.s-info span { font-size: 0.65rem; font-family: var(--font-mono); color: var(--text-secondary); }
.s-info b { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }

.start-btn {
  background: var(--accent-color); color: #fff; border: none; padding: 1.25rem 3rem; 
  border-radius: 50px; font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: var(--transition-smooth); box-shadow: 0 15px 30px rgba(0, 102, 255, 0.2);
  display: flex; align-items: center; gap: 0.75rem;
}
.start-btn:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0, 102, 255, 0.3); }

/* Main App Layout */
.app-container {
  display: flex; flex-direction: column; width: 100%; height: 100%; position: relative;
  animation: fadeIn 1s ease;
}

/* Top Navigation Bar */
.top-nav {
  height: 80px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; z-index: 1000; position: relative;
  background: var(--glass-bg); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-color);
}

.nav-logo { display: flex; align-items: center; gap: 1rem; cursor: pointer; }
.logo-box { 
  width: 40px; height: 40px; background: var(--accent-color); color: #fff; 
  border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.logo-text { font-size: 1.25rem; font-weight: 800; letter-spacing: -1px; }

.horizontal-nav { display: flex; gap: 1rem; background: rgba(0,0,0,0.03); padding: 0.4rem; border-radius: 16px; }
.nav-item {
  padding: 0.6rem 1.5rem; border-radius: 12px; font-weight: 600; font-size: 0.9rem;
  color: var(--text-secondary); text-decoration: none; transition: var(--transition-smooth);
}
.nav-item:hover { color: var(--text-primary); }
.nav-item.active { background: #fff; color: var(--accent-color); box-shadow: var(--shadow-soft); }

.nav-status { display: flex; gap: 1rem; }
.nav-stat-pill {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border-radius: 50px;
  background: var(--surface-color); border: 1px solid var(--border-color); font-family: var(--font-mono); font-size: 0.75rem;
}
.nav-stat-pill i { color: var(--accent-color); }

/* Content Area */
main.content-area {
  flex: 1; padding: 3rem; overflow-y: auto; position: relative; scrollbar-width: thin;
}

/* Floating HUD */
.floating-hud {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 1.5rem; padding: 1rem 2rem;
  border-radius: 50px; background: var(--glass-bg); backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); box-shadow: var(--shadow-medium); z-index: 2000;
}
.hud-item { display: flex; flex-direction: column; align-items: center; }
.hud-item span { font-size: 0.55rem; font-family: var(--font-mono); color: var(--text-muted); font-weight: 700; }
.hud-item b { font-family: var(--font-mono); font-size: 1.1rem; color: var(--text-primary); }
.hud-divider { width: 1px; height: 20px; background: var(--border-color); }

/* Views */
.view { display: none; width: 100%; max-width: 1200px; margin: 0 auto; animation: slideUp 0.6s ease; }
.view.active { display: block; }

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Cards & Grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2rem; }
.card {
  background: var(--surface-color); border: 1px solid var(--border-color); border-radius: 24px;
  padding: 2rem; transition: var(--transition-smooth); cursor: pointer; box-shadow: var(--shadow-soft);
}
.card:hover { transform: translateY(-5px); border-color: var(--accent-color); box-shadow: var(--shadow-medium); }

.card-icon { 
  width: 50px; height: 50px; background: var(--accent-soft); color: var(--accent-color);
  border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1.5rem;
}
.card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
.card-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* Home Module Hero */
.launcher-hero {
  padding: 4rem; border-radius: 40px; margin-bottom: 3rem; background: #fff;
  border: 1px solid var(--border-color); box-shadow: var(--shadow-soft);
  display: flex; align-items: center; justify-content: space-between; gap: 3rem;
}
.welcome-text h1 { font-size: 3.5rem; font-weight: 800; letter-spacing: -2px; margin-bottom: 1rem; }
.welcome-text p { font-size: 1.1rem; color: var(--text-secondary); max-width: 500px; }
.seat-label { display: inline-block; padding: 0.4rem 1rem; background: var(--accent-color); color: #fff; border-radius: 50px; font-weight: 700; font-size: 0.75rem; margin-bottom: 1.5rem; }

/* Feature Wall - New Grid */
.feature-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feat-card { 
  position: relative; height: 280px; border-radius: 32px; overflow: hidden; 
  cursor: pointer; transition: var(--transition-smooth); border: 1px solid var(--border-color);
}
.feat-card img { width: 100%; height: 100%; object-fit: cover; transition: 0.6s; }
.feat-content { 
  position: absolute; bottom: 0; left: 0; width: 100%; padding: 2rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.8)); color: #fff;
}
.feat-content span { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 2px; color: var(--accent-color); font-weight: 700; }
.feat-content h3 { font-size: 1.5rem; font-weight: 700; }
.feat-card:hover img { transform: scale(1.1); filter: brightness(0.7); }
.feat-card.wide { grid-column: span 2; }

/* Module Tabs (Light Mode) */
.calm-tabs { display: flex; gap: 0.75rem; margin-bottom: 3rem; overflow-x: auto; padding: 0.5rem 0; }
.calm-tab {
  background: var(--surface-color); border: 1px solid var(--border-color); color: var(--text-secondary);
  padding: 0.75rem 1.5rem; border-radius: 50px; cursor: pointer; transition: 0.3s;
  font-weight: 600; font-size: 0.85rem; display: flex; align-items: center; gap: 0.5rem; white-space: nowrap;
}
.calm-tab:hover { border-color: var(--accent-color); }
.calm-tab.active { background: var(--accent-color); color: #fff; border-color: var(--accent-color); box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2); }

/* Panels */
.calm-panel, .travel-panel, .sky-panel { display: none; animation: fadeIn 0.5s ease; padding-top: 1rem; }
.calm-panel.active, .travel-panel.active, .sky-panel.active { display: block; }
.zen-main, .radar-system {
  height: 500px; border-radius: 32px; overflow: hidden; background: #fff;
  border: 1px solid var(--border-color); box-shadow: var(--shadow-medium);
}

.breathing-circle {
  width: 240px; height: 240px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); position: relative; animation: breatheSize 8s infinite ease-in-out;
}
.circle-inner {
  width: 100px; height: 100px; border-radius: 50%; background: var(--accent-color);
  box-shadow: 0 0 30px rgba(0, 102, 255, 0.4);
}

/* Crew Chat (Light Mode) */
.crew-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2rem; height: 600px; }
.crew-chat-container { background: #fff; border: 1px solid var(--border-color); border-radius: 32px; display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow-soft); }
.chat-header { padding: 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 1rem; }
.crew-avatar { width: 50px; height: 50px; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-color); }
.chat-messages { flex: 1; padding: 2rem; display: flex; flex-direction: column; gap: 1.5rem; overflow-y: auto; background: #F9FBFC; }
.msg-bubble { padding: 1rem 1.5rem; border-radius: 20px; font-size: 0.95rem; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
.crew .msg-bubble { background: #fff; color: var(--text-primary); border-bottom-left-radius: 4px; border: 1px solid var(--border-color); }
.user .msg-bubble { background: var(--accent-color); color: #fff; border-bottom-right-radius: 4px; box-shadow: 0 10px 20px rgba(0, 102, 255, 0.15); }
.chat-input-area { padding: 1.5rem; border-top: 1px solid var(--border-color); display: flex; gap: 1rem; }
.chat-input-wrapper { flex: 1; background: #F0F4F8; padding: 0.8rem 1.5rem; border-radius: 50px; }

/* Responsive */
@media (max-width: 1024px) {
  .top-nav { padding: 0 1.5rem; }
  .feature-wall { grid-template-columns: repeat(2, 1fr); }
  .feat-card.wide { grid-column: span 1; }
  .launcher-hero { padding: 2rem; flex-direction: column; text-align: center; }
  .crew-layout { grid-template-columns: 1fr; height: auto; }
}

@media (max-width: 768px) {
  .horizontal-nav { display: none; }
  .top-nav { height: 70px; }
  main.content-area { padding: 1.5rem; }
  .view-header h1 { font-size: 2rem; }
  .card-grid { grid-template-columns: 1fr; }
  .feature-wall { grid-template-columns: 1fr; }
}

/* Persistent App Footer (Fixed) */
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  z-index: 2000;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1px;
}

.footer-brand {
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Info Toast Notification */
.info-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 320px;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--accent-color);
  border-radius: 24px;
  box-shadow: var(--shadow-medium);
  z-index: 11000;
  transform: translateX(120%);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.info-toast.active {
  transform: translateX(0);
}